11982020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4373}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 25351704

約数和(自身を除く): 13369684

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 4373, 8746, 17492, 21865, 43730, 87460, 599101, 1198202, 2396404, 2995505, 5991010, 11982020]

約数ペア:

[(1, 11982020), (2, 5991010), (4, 2995505), (5, 2396404), (10, 1198202), (20, 599101), (137, 87460), (274, 43730), (548, 21865), (685, 17492), (1370, 8746), (2740, 4373)]